Home / 144,708,792.03-199,675,652.94-85,969,947.51

Finding the Fourth Proportional to 144,708,792.03, 199,675,652.94 and 85,969,947.51

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Solution

The fourth proportional to 144,708,792.03, 199,675,652.94 and 85,969,947.51 is: 118,625,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,708,792.03 : 199,675,652.94 = 85,969,947.51 : x
  2. Step 2: Convert to fraction form
    144,708,792.03/199,675,652.94 = 85,969,947.51/x
  3. Step 3: Cross multiply
    144,708,792.03x = 199,675,652.94 × 85,969,947.51
  4. Step 4: Simplify right side
    144,708,792.03x = 17,166,105,402,276,778
  5. Step 5: Solve for x
    x = 17,166,105,402,276,778/144,708,792.03
  6. Step 6: Final answer
    x = 118,625,172.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.